公开(公告)号：WO2011138632A1

公开(公告)日：2011-11-10

申请号：PCT/IB2010/001806

申请日：2010-05-06

Applicant: EOS IMAGING ,  DESAUTE, Pascal

Inventor： DESAUTE, Pascal

IPC: A61B6/00 ,  A61B6/06 ,  A61B6/03 ,  G03B42/02 ,  G21K1/04 ,  H05G1/02

CPC classification number: G21K1/04 ,  A61B6/032 ,  A61B6/06 ,  A61B6/4014 ,  A61B6/4441 ,  A61B6/545 ,  G03B42/02 ,  G03B42/025 ,  G03B42/04

Abstract: An imaging apparatus comprises an emission device (5) to emit X-rays and a detection device (6) to detect X- rays. A detector collimator (19) is located between the patient space (4) and the detection device (6). The emission device (5) and detection device (6) operate while translating along said displacement axis, to take a plurality of acquisitions. The imaging apparatus comprises a setting device (29) to modify a dimension of a collimator slit.

Abstract translation: 成像装置包括发射X射线的发射装置（5）和检测X射线的检测装置（6）。 检测器准直器（19）位于患者空间（4）和检测装置（6）之间。 发射装置（5）和检测装置（6）沿着所述位移轴平移运行，以进行多次采集。 成像装置包括修改准直器狭缝的尺寸的设定装置（29）。

公开(公告)号：WO2011138631A1

公开(公告)日：2011-11-10

申请号：PCT/IB2010/001805

申请日：2010-05-06

Applicant: EOS IMAGING ,  DESAUTE, Pascal

Inventor： DESAUTE, Pascal

IPC: G01T1/185

CPC classification number: G01T1/185

Abstract: An X-ray detecting apparatus for the detection and localisation of ionising X-ray or gamma radiation in radiography, the apparatus comprising: an X-ray detector including: conversion means for converting incident x-ray photons of an incident x- ray photon beam into detectable electrical charges; and amplification means for amplifying the electrical charges in the detector by an non-linear amplification gain factor the non-linear amplification gain being characterised by a decrease in amplification gain at high fluxes of incident x-ray photons; and amplification gain adjustment means configured to vary the amplification gain of the amplification means according to the emission parameters of an x-ray source providing the incident x-ray photon beam for the radiographic examination to be performed and/or the transmitted beam received by the detector from the x-ray source via the subject being imaged. A radiographic imaging device and a method of operating the radiographic imaging device are also presented.

Abstract translation: 一种X射线检测装置，用于在放射线照相术中检测和定位电离X射线或γ射线，该装置包括：X射线检测器，包括：转换装置，用于转换入射x射线光子束的入射x射线光子 变成可检测的电荷; 以及放大装置，用于通过非线性放大增益因子放大检测器中的电荷，非线性放大增益的特征在于入射x射线光子的高通量下的放大增益的降低; 以及放大增益调整装置，被配置为根据提供入射的X射线光子束的X射线源的发射参数来改变放大装置的放大增益，以进行放射摄影检查和/或接收的发射光束 来自X射线源的检测器经由被摄体被成像。 还提出了射线照相成像装置和操作放射线照相成像装置的方法。

公开(公告)号：WO2011045411A1

公开(公告)日：2011-04-21

申请号：PCT/EP2010/065514

申请日：2010-10-15

Applicant: EOS IMAGING ,  DESAUTE, Pascal

Inventor： DESAUTE, Pascal

IPC: H01J47/06 ,  G01T1/185

CPC classification number: H01J47/06 ,  G01T1/185

Abstract: The invention relates to a gas avalanche detector for detecting and locating X-ray or gamma ray ionizing radiation in radiographic imaging, the detector comprising: a gas enclosure (10) provided with an admission window (FE) for admitting a beam (FX) of incident X-ray photons; an intermediate plane electrode (12) placed in said gas enclosure (10) between two end plane electrodes (11, 13) and held parallel to the two end plane electrodes (11, 13); the configuration of the end plane electrodes (11, 13) and of the intermediate plane electrode (12) forming an amplification space (20), the amplification space (20) also constituting a conversion space in which the incident X-ray photons (FX) are convertible into electrical charges, the electrical charges being made up of primary electrons and of corresponding ions; the intermediate electrode (12) being operable at an electrical potential relative to the electrical potentials of the end electrodes (11, 13) suitable for generating an electric field that causes the primary electrons to be multiplied by the avalanche phenomenon in the amplification space (20) in the vicinity of the intermediate electrode (12); one of the end electrodes (13) being configured as a collector electrode for picking up the electrical signals induced by the ions; and said admission window (FE) being placed level with the amplification space (20) between the intermediate plane electrode (12) and said collector electrode (13) to admit said photon beam between the intermediate plane electrode (12) and said collector electrode (13). The invention also relates to a radiographic imaging device including such a gas detector.

Abstract translation: 本发明涉及一种用于在放射照相成像中检测和定位X射线或γ射线电离辐射的气体雪崩检测器，该检测器包括：气体外壳（10），其具有用于允许入射窗（FE）的入口窗口（FE） 事件X射线光子; 在两个端面电极（11,13）之间放置在所述气体外壳（10）中并平行于两个端面电极（11,13）保持的中间平面电极（12）。 端面电极（11,13）和形成放大空间（20）的中间平面电极（12）的结构，放大空间（20）也构成入射的X射线光子（FX ）可转换成电荷，电荷由一次电子和相应的离子组成; 中间电极（12）可相对于适于产生电场的端电极（11,13）的电位工作，该电场使得一次电子与放大空间（20）中的雪崩现象相乘 ）在中间电极（12）附近; 一个端电极（13）被配置为用于拾取由离子引起的电信号的集电极; 并且所述准入窗口（FE）与所述中间平面电极（12）和所述集电极（13）之间的放大空间（20）放置在一起，以允许所述光子束在所述中间平面电极（12）和所述集电极 13）。 本发明还涉及包括这种气体检测器的射线照相成像装置。

公开(公告)号：WO2021094806A1

公开(公告)日：2021-05-20

申请号：PCT/IB2019/001291

申请日：2019-11-14

Applicant: EOS IMAGING

Inventor： BEUCHER, Jérôme ,  DESAUTE, Pascal ,  KYRGYZOV, Khrystyna ,  LEMOUSSU, Audrey ,  MORICHAU-BEAUCHANT, Pierre ,  OUAMARA, Hamid

IPC: A61B6/00 ,  G05B13/02 ,  H05G1/38 ,  G06N3/02 ,  H05G1/56

Abstract: This invention relates to a radiological imaging method comprising: 2 radiation sources with imaging directions orthogonal to each other, performing vertical scanning of a standing patient (20) along a vertical scanning fdirection (Z), wherein said radiological method comprises at least one operating mode in which: a frontal scout view is made so as to identify a specific bone(s) localization (21) within said frontal scout view, both driving current intensity and voltage intensity modulations (11) of said frontal radiation source, depending on patient thickness and on said identified specific bone(s) localization (21) along said vertical scanning direction (Z), are performed simultaneously, preferably synchronously, and automatically, so as to improve a compromise between: lowering the global radiation dose received by a patient (20) during said vertical scanning, and increasing the local image contrasts of said identified specific bone(s) localization (21) at different imaging positions along said vertical scanning direction (Z), for the frontal image.

公开(公告)号：WO2017137792A1

公开(公告)日：2017-08-17

申请号：PCT/IB2016/000273

申请日：2016-02-10

Applicant: EOS IMAGING

Inventor： DESAUTE, Pascal

IPC: A61B6/02 ,  A61B6/00

CPC classification number: A61B6/02 ,  A61B6/022 ,  A61B6/4007 ,  A61B6/4014

Abstract: This invention relates to a method of radiography of an organ of a patient, comprising: a first vertical scanning of said organ by a first radiation source (1) and a first detector (3) cooperating to make a first two dimensional image of said organ, a second vertical scanning of said organ by a second radiation source (2) and a second detector (4) cooperating to make a second two dimensional image of said organ, said first vertical scanning and said second vertical scanning being performed synchronously, said first and second images viewing said organ of said patient according to different angles of incidence, wherein there is a vertical gap (h) between on the one hand said first source (1) and detector (3) and on the other hand said second source (2) and detector (4), such that said first vertical scanning and said second vertical scanning are performed synchronously but with a time shift in between, so as to reduce cross-scattering between said first and second images.

Abstract translation: 本发明涉及一种患者的器官的放射线照相方法，包括：通过第一辐射源（1）和第一检测器（3）对所述器官进行第一次垂直扫描，所述第一辐射源（1）和第一检测器（3）协作 所述器官的第一二维图像，由第二辐射源（2）和第二检测器（4）进行的所述器官的第二垂直扫描，所述第二辐射源（2）和第二检测器（4）协作以形成所述器官的第二二维图像，所述第一垂直扫描和所述第二 所述第一和第二图像根据不同入射角度观察所述患者的所述器官，其中一方面所述第一源（1）和检测器（3）之间存在垂直间隙（h）; 另一方面使所述第二源（2）和检测器（4）相互作用，使得所述第一垂直扫描和所述第二垂直扫描同步执行，但其间具有时间偏移，以减少所述第一和第二 图像。< / P>

公开(公告)号：WO2021094004A1

公开(公告)日：2021-05-20

申请号：PCT/EP2020/070058

申请日：2020-07-15

Applicant: EOS IMAGING

Inventor： BEUCHER, Jérôme ,  DESAUTE, Pascal ,  KYRGYZOV, Khrystyna ,  LEMOUSSU, Audrey ,  MORICHAU-BEAUCHANT, Pierre ,  OUAMARA, Hamid

IPC: A61B6/00

Abstract: This invention relates to a radiological imaging method comprising: 2 radiation sources with imaging directions orthogonal to each other, performing vertical scanning of a standing patient (20) along a vertical scanning direction (Z), wherein said radiological method comprises at least one operating mode in which: a frontal scout view is made so as to identify a specific bone(s) localization (21) within said frontal scout view, driving current intensity modulation (11) of said frontal radiation source, depending on patient thickness and on said identified specific bone(s) localization (21) along said vertical scanning direction (Z), is performed automatically, so as to improve a compromise between: lowering the global radiation dose received by a patient (20) during said vertical scanning, while keeping at a sufficient level the local image contrasts of said identified specific bone(s) localization (21) at different imaging positions along said vertical scanning direction (Z), for the frontal image.

公开(公告)号：WO2021090042A1

公开(公告)日：2021-05-14

申请号：PCT/IB2019/001250

申请日：2019-11-05

Applicant: EOS IMAGING

Inventor： BLEAS, Stéphane ,  DESAUTE, Pascal ,  JACQUIER, Laurent ,  NOTTEBAERT, Cédric ,  VITTECOQ, David

IPC: A61B6/02 ,  A61B6/10 ,  A61B6/00

Abstract: This invention relates to a radiological apparatus comprising: a gantry (10) encapsulated within a cover (11), a patient platform (40), 2 radiation sources (20, 30) with imaging directions (D1, d2) orthogonal to each other, sliding vertically so as to perform vertical scanning of a patient standing on said platform (40), wherein: said gantry cover (11) top view is L shaped, each of said 2 radiation sources (20, 30): is located: outside said L shaped gantry cover (11), inside angular sector (AS) of said L, and is encapsulated within a cover (21, 31) sliding vertically with said radiation source (20, 30) it encapsulates, and wherein said radiological apparatus also comprises: a first security device (51, 52) stopping said vertical scanning, when it detects a patient body part going outside a first predetermined area, so as to avoid collision between said patient body part and said vertically sliding radiation sources covers (21, 31), and a second security device (61, 62) stopping said vertical scanning, when it detects presence of an object or of a person external to said radiological apparatus within a second predetermined area, so as to avoid collision between said object or person and said vertically sliding radiation sources covers (21, 31).

公开(公告)号：WO2019008407A1

公开(公告)日：2019-01-10

申请号：PCT/IB2017/000986

申请日：2017-07-04

Applicant: EOS IMAGING

Inventor： DESAUTE, Pascal ,  METZ, Camille

IPC: A61B6/00 ,  G06T17/00 ,  G09B23/28 ,  A61B6/02

Abstract: This invention relates to a method of radiography of an organ of a patient, comprising: first vertical scanning and said second vertical scanning being performed synchronously, wherein a computed correction is processed on both first and second raw images, on at least part of patient scanned height, for at least overweight or obese patients, so as to reduce, between first and second corrected images, cross-scattering existing between said first and second raw images, and wherein said computed correction processing on both said first and second raw images comprises: a step (32, 33, 34) of making a patient specific modeling, using as patient specific data therefore at least both first and second raw images, preferably mainly both first and second raw images, more preferably only both first and second raw images, a step (34, 35) of determining a patient specific representation of radiation scattering by said patient specific modeling, a step (36) of processing said patient specific radiation scattering representation on both said first and second raw images so as to get said first and second corrected images.

公开(公告)号：EP4292537A2

公开(公告)日：2023-12-20

申请号：EP23204660.7

申请日：2017-07-04

Applicant: EOS Imaging

Inventor： DESAUTE, Pascal ,  METZ, Camille

IPC: A61B6/02

Abstract: This invention relates to a method of radiography of an organ of a patient, comprising: first vertical scanning and said second vertical scanning being performed synchronously, wherein a computed correction is processed on both first and second raw images, on at least part of patient scanned height, for at least overweight or obese patients, so as to reduce, between first and second corrected images, cross-scattering existing between said first and second raw images, and wherein said computed correction processing on both said first and second raw images comprises: a step (32, 33, 34) of making a patient specific modeling, using as patient specific data therefore at least both first and second raw images, preferably mainly both first and second raw images, more preferably only both first and second raw images, a step (34, 35) of determining a patient specific representation of radiation scattering by said patient specific modeling, a step (36) of processing said patient specific radiation scattering representation on both said first and second raw images so as to get said first and second corrected images.

公开(公告)号：EP2566390A1

公开(公告)日：2013-03-13

申请号：EP10747942.0

申请日：2010-05-06

Applicant: EOS Imaging

Inventor： DESAUTE, Pascal

IPC: A61B6/00 ,  A61B6/06 ,  A61B6/03 ,  G03B42/02 ,  G21K1/04 ,  H05G1/02

CPC classification number: G21K1/04 ,  A61B6/032 ,  A61B6/06 ,  A61B6/4014 ,  A61B6/4441 ,  A61B6/545 ,  G03B42/02 ,  G03B42/025 ,  G03B42/04

Abstract: An imaging apparatus comprises an emission device (5) to emit X-rays and a detection device (6) to detect X- rays. A detector collimator (19) is located between the patient space (4) and the detection device (6). The emission device (5) and detection device (6) operate while translating along said displacement axis, to take a plurality of acquisitions. The imaging apparatus comprises a setting device (29) to modify a dimension of a collimator slit.